financially supported by the National Natural Science Foundation of China(Nos.21833010,21525104,21971238,61975207,21921001);the Key Research Program of Frontier Sciences of the Chinese Academy of Sciences(No.ZDBS-LYSLH024);Key Laboratory of Functional Crystals and Laser Technology,TIPC,CAS(No.FCLT 202003);Key Laboratory of New Processing Technology for Nonferrous Metal&Materials,Ministry of Education/Guangxi Key Laboratory of Optical and Electronic Materials and Devices(No.20KF-11)。
Two fluoride sulfates,K_(2)Mn_(3)(SO_(4))_(3)F_(2)·4H_(2)O(Ⅰ) and Rb_(2)Mn_(3)(SO_(4))_(3)F_(2)·2H_(2)O (Ⅱ) are obtained by water solution method.Single-crystal X-ray diffraction analysis indicated that they cryst...